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Novel Synthesis of Pyrazolyloxothiazolidine Derivatives |
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| Authors: | Alaa A Hassan Yusria R Ibrahim Essmat M El‐Sheref Ashraf A Aly Stefan Bräse Alan B Brown |
| Institution: | 1. Department of Chemistry, Faculty of Science, Minia University, , El‐Minia 61519, Egypt;2. Institute of Organic Chemistry, Karlsruhe, Institute of Technology, , 76131 Karlsruhe, Germany;3. Department of Chemistry, Florida Institute of Technology, , Melbourne, Florida 32901 |
| Abstract: | 1‐Substituted 3‐3‐(methyl/phenyl)‐1H‐pyrazol‐5‐yl]thioureas react with the triple bond of dimethyl acetylenedicarboxylate forming (Z)‐methyl 2‐(Z)‐3‐substituted‐2‐(3‐(methyl/phenyl‐1H‐pyrazol‐5‐ylimino)‐4‐oxothiazolidin‐5‐ylidene)acetates. Rational for these conversations are presented. |
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